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Vegetation changes along an urbanisation and atmospheric pollution gradient in Mexico

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Vegetation changes along an urbanisation and atmospheric pollution gradient in Mexico

by
Meléndez-Jaramillo, Edmar; Sánchez-Castillo, Laura; Segura Martínez, Ma. Teresa de Jesús; Sánchez-Reyes, Uriel Jeshua

Publication date
Usage
Attribution 4.0 InternationalCreative Commons Licenseby
Topics
air pollution, environmental variability, Monterrey Metropolitan Area, urbanisation, vegetation structure
Publisher
Pensoft Publishers
Collection
biodiversity
Contributor
Pensoft Publishers
Language
English
Rights
https://biodiversitylibrary.org/permissions
Rights-holder
Copyright held by individual article author(s).
Volume
54
Item Size
28.9M
Abstract
Green areas are important places for biodiversity conservation within cities, but their vegetation is affected by various anthropogenic factors. This study used an exploratory approach to examine the influence of urbanisation and air pollution-related factors on the indicators for the composition and structure of vegetation in an urban area in northeast Mexico. Based on the spatial analysis of the major air pollutants, four sampling categories were delimited (rural, low, moderate and high urbanisation). The differences between categories, based on vegetation structure, were determined using non-parametric Kruskal-Wallis tests. The Importance Value was calculated for the species. The floristic similarity was compared using NMDS and PERMANOVA unidirectional. The relationship between environmental variables and abundance of species was evaluated using CCA. One hundred and ten plant species were collected, including ten alien species. The highest abundance and species richness were registered in the rural site. The general tendency of vegetation structure is to plants decreasing with respect to the increase in the levels of urbanisation and air pollution present in the study area. The association between the environmental variables and plant communities along the urbanisation gradient was significant, being the relative humidity, the particles lower than 2.5 μm, the dew point and the heat index as the most important variables. The understanding of the nature and variability of vegetation within green areas contributes to increasing our knowledge about the distribution of the environmental services they provide and the composition of the faunal communities that depend on them. For this reason, this study relates the plants of a specific area of northeast Mexico with the environmental quality present in an urban area.
Addeddate
2025-04-23 16:03:24
Bhl_virtual_titleid
210922
Bhl_virtual_volume
v.54 (2023)
Call number
10_3897_natureconservation_54_110257
Call-number
10_3897_natureconservation_54_110257
Foldoutcount
0
Genre
article
Identifier
vegetationchang54mele
Identifier-ark
ark:/13960/s228j3drznr
Identifier-bib
10_3897_natureconservation_54_110257
Identifier-doi
10.3897/natureconservation.54.110257


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